KDE Frameworks are 79 addon libraries to Qt which provide a wide
variety of commonly needed functionality in mature, peer reviewed and well
tested libraries with friendly licensing terms. For an introduction see the
Frameworks 5.0 release announcement.

Why is there no output from kxmlgui_unittest in
<a href="https://build.kde.org/view/Frameworks/job/Frameworks%20kxmlgui%20kf5-qt5%20WindowsMSVCQt5.10/21/console" title="https://build.kde.org/view/Frameworks/job/Frameworks%20kxmlgui%20kf5-qt5%20WindowsMSVCQt5.10/21/console">https://build.kde.org/view/Frameworks/job/Frameworks%20kxmlgui%20kf5-qt5...</a>
?